﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
using FinalProject.Services.Interfaces;
using System.Web.Mvc;
using FinalProject.Entities;

namespace FinalProject.Services.Services
{
    public class CustomMembershipProvider : MembershipProvider, ICustomMembershipProvider
    {
        private readonly IUserService _userService;

        public CustomMembershipProvider()
            : this(DependencyResolver.Current.GetService<IUserService>())
        {
        }

        public CustomMembershipProvider(IUserService userService)
        {
            _userService = userService;
        }

        public override string ApplicationName
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        public override bool ChangePassword(string username, string oldPassword, string newPassword)
        {
            throw new NotImplementedException();
        }

        public override bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, 
            bool isApproved, object providerUserKey, out MembershipCreateStatus status)
        {
            ValidatePasswordEventArgs args = new ValidatePasswordEventArgs(username, password, true);
            OnValidatingPassword(args);
            if (args.Cancel)
            {
                status = MembershipCreateStatus.InvalidPassword;
                return null;
            }
            if (RequiresUniqueEmail && GetUserNameByEmail(email) != string.Empty)
            {
                status = MembershipCreateStatus.DuplicateEmail;
                return null;
            }
            MembershipUser user = GetUser(username, true);
            if (user == null)
            {
                var tempUser = new User
                {
                    CreationDate = DateTime.Now,
                    Email = email,
                    IsApproved = isApproved,
                    IsLockedOut = false,
                    IsOnline = true,
                    LastActivityDate = DateTime.Now,
                    LastLoginDate = DateTime.Now,
                    Password = Helper.HashPassword(password),
                    PasswordQuestion = passwordQuestion,
                    //PasswordAnswer = Helper.HashPassword(passwordAnswer),
                    ProviderName = "CustomMembershipProvider",
                    UserName = username
                };

                _userService.Create(tempUser);

                status = MembershipCreateStatus.Success;

                return GetUser(username, true);
            }
            else
            {
                status = MembershipCreateStatus.DuplicateUserName;
            }
            return null;
        }

        public override bool DeleteUser(string username, bool deleteAllRelatedData)
        {
            throw new NotImplementedException();
        }

        public override bool EnablePasswordReset
        {
            get { throw new NotImplementedException(); }
        }

        public override bool EnablePasswordRetrieval
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override int GetNumberOfUsersOnline()
        {
            throw new NotImplementedException();
        }

        public override string GetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser GetUser(string username, bool userIsOnline)
        {
            var tempUser = _userService.GetByName(username);
            if (tempUser != null)
            {
                MembershipUser memUser = new MembershipUser(tempUser.ProviderName,
                                                            tempUser.UserName,
                                                            tempUser.Id,
                                                            tempUser.Email,
                                                            tempUser.PasswordQuestion,
                                                            tempUser.Comment,
                                                            tempUser.IsApproved,
                                                            tempUser.IsLockedOut,
                                                            tempUser.CreationDate,
                                                            tempUser.LastLoginDate.Value,
                                                            tempUser.LastActivityDate.Value,
                                                            (tempUser.LastPasswordChangedDate.HasValue ? tempUser.LastPasswordChangedDate.Value : DateTime.Now),
                                                            (tempUser.LastLockoutDate.HasValue ? tempUser.LastLockoutDate.Value : DateTime.Now));
                return memUser;
            }
            return null;
        }

        public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
        {
            throw new NotImplementedException();
        }

        public override string GetUserNameByEmail(string email)
        {
            throw new NotImplementedException();
        }

        public override int MaxInvalidPasswordAttempts
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredNonAlphanumericCharacters
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredPasswordLength
        {
            get { return 6; }
        }

        public override int PasswordAttemptWindow
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipPasswordFormat PasswordFormat
        {
            get { throw new NotImplementedException(); }
        }

        public override string PasswordStrengthRegularExpression
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresQuestionAndAnswer
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresUniqueEmail
        {
            get { return false; }
        }

        public override string ResetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }

        public override bool UnlockUser(string userName)
        {
            throw new NotImplementedException();
        }

        public override void UpdateUser(MembershipUser user)
        {
            throw new NotImplementedException();
        }

        public override bool ValidateUser(string username, string password)
        {
            var user = _userService.GetByName(username);
            if (user != null && Helper.IsPasswordCorrect(password, user.Password))
                return true;
            return false;
        }
    }
}